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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
#ifndef _KERNEL_FS_VFS_H
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#define _KERNEL_FS_VFS_H
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#include <desc.h>
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#include <device/device.h>
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#include <libk/hash.h>
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#include <libk/list.h>
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#include <libk/rbtree.h>
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#include <libk/std.h>
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#include <path.h>
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#include <proc/proc.h>
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#include <proc/procgroup.h>
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#include <proc/reschedule.h>
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#include <sync/spin_lock.h>
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#define VFS_TARFS 0
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struct vfs_mountpoint;
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struct vfs_handle {
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int id;
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struct vfs_mountpoint* mountpoint;
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char path[MAX_PATH];
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struct procgroup* ownerpg;
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struct rb_node_link handle_tree_link;
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spin_lock_t lock;
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};
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struct vfs_mountpoint {
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char key[0x100];
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struct hash_node_link mount_table_link;
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int fs_type;
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struct {
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int (*mount) (struct vfs_mountpoint* mountpoint, struct proc* proc,
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struct reschedule_ctx* rctx);
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int (*describe) (struct vfs_mountpoint* mountpoint, const char* path, struct desc* desc);
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int (*read) (struct vfs_mountpoint* mountpoint, const char* path, uint8_t* buffer, size_t off,
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size_t size);
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} driver_ops;
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struct device* back_device;
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void* udata
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};
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struct vfs_mount_table {
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struct hash_node_link* mountpoint_buckets[1024];
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spin_lock_t lock;
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};
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int vfs_create_mountpoint (const char* key, int fs_type, struct device* back_device,
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struct proc* proc, struct reschedule_ctx* rctx);
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int vfs_describe (struct procgroup* procgroup, int id, struct desc* desc);
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int vfs_read (struct procgroup* procgroup, int id, uint8_t* buffer, size_t off, size_t size);
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int vfs_close (struct procgroup* procgroup, int id);
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int vfs_open (struct procgroup* procgroup, const char* mountpoint, const char* path);
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int vfs_kernel_read (const char* mountpoint, const char* path, uint8_t* buffer, size_t off,
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size_t size);
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int vfs_kernel_describe (const char* mountpoint, const char* path, struct desc* desc);
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void vfs_procgroup_cleanup (struct procgroup* procgroup);
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void vfs_init (void);
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#endif // _KERNEL_FS_VFS_H
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